extract-bans.js

var getElementByXpath = function(path) {
  return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
};

var mainUserElem = getElementByXpath("//html/body/div[1]/div/div/div/div/div/div/div[2]/div[2]/div[1]/div/div[2]");

var users = [];
for (var index in mainUserElem) {
	if(index.indexOf('__reactEventHandlers') !== -1) {

		var userChilds = mainUserElem[index].children;
		for (var index2 in userChilds) {
			var thisChild = userChilds[index2];

			users.push({
				username: thisChild.props.children.props.children.props.username,
				timeAgo: thisChild.props.children.props.children.props.timeAgo,
				description: thisChild.props.children.props.children.props.description
			});

		}
	}
}
console.log(JSON.stringify(users));